Date Time Converter

Convert between different date and time formats

Mon, Jan 1, 2024 • 12:00:00 PM
Supports: Unix timestamps (seconds/milliseconds), ISO 8601, human-readable dates

About Date Time Conversion

Date time conversion transforms timestamps between different formats used in programming, databases, and systems. Essential for developers working with APIs, databases, logging systems, and cross-platform applications.

  • Convert Unix timestamps to human-readable formats
  • Transform between ISO 8601, RFC formats, and custom patterns
  • Handle timezone conversions and UTC offsets
  • Support for millisecond and microsecond precision
  • Real-time conversion with instant updates

Supported Date Time Formats

Unix Timestamp

1678886400 - Seconds since Jan 1, 1970

ISO 8601

2023-03-15T12:00:00Z - International standard

RFC 2822

Wed, 15 Mar 2023 12:00:00 GMT

Human Readable

March 15, 2023 at 12:00 PM

SQL DateTime

2023-03-15 12:00:00.000

Custom Format

DD/MM/YYYY HH:mm:ss - User defined

Frequently Asked Questions

How do I convert a date into a Unix timestamp?

To convert a date into a Unix timestamp, enter a human-readable date (e.g., 2024-03-15 12:00:00) into the utilAZ date time converter. The tool will instantly output the corresponding Unix timestamp in seconds (and milliseconds). A Unix timestamp represents the number of seconds since January 1, 1970 00:00:00 UTC.

What is the easiest way to convert between time zones?

The easiest way to convert between time zones is to use the utilAZ date time converter. Enter the date and time with the source time zone, then select the target time zone from the dropdown. The tool handles daylight saving time adjustments automatically and shows the converted result instantly.

How do I calculate the difference between two dates?

To calculate the difference between two dates, enter both dates into the utilAZ date time converter. The tool will compute the difference in days, hours, minutes, and seconds. This is useful for project planning, age calculation, countdown timers, or determining elapsed time between events.

What is UTC and why does it matter for conversions?

UTC (Coordinated Universal Time) is the global time standard that all time zones are defined relative to. It matters for conversions because it provides a single reference point. When converting between time zones, dates are first converted to UTC and then to the target zone, ensuring accuracy across regions and daylight saving changes.

What is the difference between GMT and UTC? Are they the same?

GMT (Greenwich Mean Time) and UTC (Coordinated Universal Time) are often used interchangeably, and they show the same time. However, they differ technically: GMT is a time zone based on the Earth's rotation, while UTC is a time standard based on atomic clocks. UTC is more precise and is the international standard used in computing, aviation, and science.

Programming Examples

JavaScript:

// Current timestamp
const now = Date.now(); // milliseconds
const nowSeconds = Math.floor(Date.now() / 1000); // seconds

// Convert timestamp to date
const date = new Date(1678886400 * 1000);
console.log(date.toISOString()); // 2023-03-15T12:00:00.000Z

// Convert date to timestamp
const timestamp = new Date('2023-03-15T12:00:00Z').getTime() / 1000;
            

Python:

import datetime

# Convert timestamp to datetime
timestamp = 1678886400
dt = datetime.datetime.fromtimestamp(timestamp)
print(dt.strftime('%Y-%m-%d %H:%M:%S'))

# Convert datetime to timestamp
dt = datetime.datetime(2023, 3, 15, 12, 0, 0)
timestamp = int(dt.timestamp())
            

Common Use Cases

  • API response timestamp parsing
  • Database datetime field conversion
  • Log file timestamp analysis
  • Cron job scheduling
  • Event timestamp processing
  • Timezone conversion for global apps
  • Performance monitoring timestamps
  • Data migration and ETL processes

Timezone Reference

Common Timezone Abbreviations:

UTC - Coordinated Universal Time
EST - Eastern Standard Time
PST - Pacific Standard Time
GMT - Greenwich Mean Time
CET - Central European Time
JST - Japan Standard Time